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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share |
Schedule of basic and diluted net income per share | The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):
|  | Three Months Ended |  | Six Months Ended |  |
|  | June 30, |  | June 30, |  |
|  | 2017 |  | 2016 |  | 2017 |  | 2016 |  |
Net income |  | $ | 25,377 |  | $ | 22,180 |  | $ | 46,890 |  | $ | 42,038 |  |
Less net income allocated to participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-forfeitable dividends on participating securities |  |  | (92) |  |  | (98) |  |  | (189) |  |  | (199) |  |
Income allocated to participating securities |  |  | (12) |  |  | (7) |  |  | (12) |  |  | (7) |  |
Total net income allocated to participating securities |  |  | (104) |  |  | (105) |  |  | (201) |  |  | (206) |  |
Net income available to common stockholders |  |  | 25,273 |  |  | 22,075 |  |  | 46,689 |  |  | 41,832 |  |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Participating securities |  |  | 104 |  |  | 105 |  |  | 201 |  |  | — | (1) |
Net income for diluted net income per share |  | $ | 25,377 |  | $ | 22,180 |  | $ | 46,890 |  | $ | 41,832 |  |
Shares for basic net income per share |  |  | 39,414 |  |  | 37,969 |  |  | 39,390 |  |  | 37,707 |  |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 11 |  |  | 13 |  |  | 11 |  |  | 13 |  |
Performance-based stock units |  |  | 207 |  |  | — |  |  | 207 |  |  | — |  |
Participating securities |  |  | 162 |  |  | 182 |  |  | 161 |  |  | — | (1) |
Total effect of dilutive securities |  |  | 380 |  |  | 195 |  |  | 379 |  |  | 13 |  |
Shares for diluted net income per share |  |  | 39,794 |  |  | 38,164 |  |  | 39,769 |  |  | 37,720 |  |
Basic net income per share |  | $ | 0.64 |  | $ | 0.58 |  | $ | 1.19 |  | $ | 1.11 |  |
Diluted net income per share |  | $ | 0.64 |  | $ | 0.58 |  | $ | 1.18 |  | $ | 1.11 | (1) |
| (1) |  | For the six months ended June 30, 2016, the participating securities have been excluded from the computation of diluted net income per share as such inclusion would be anti-dilutive.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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